<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

<p1>错误界面</p1>

<%
    String errorMessage = (String) request.getAttribute("errorMessage");
    if (errorMessage != null) {
        out.println("<h1>" + errorMessage + "</h1>");
    }
%>
</body>

</html>